Compare Tamron 17–70mm F2.8 vs Fujifilm XF 50-140mm F2.8 vs Tamron 17–70mm F2.8
Construction
Aperture Blades
9 blades, Circular diaphragm
7 blades
9 blades, Circular diaphragm
Colors
Black
Black
Black
Form Factor
Standard Zoom Lens
Telephoto Zoom Lens
Standard Zoom Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Physical aperture ring, Tripod collar
Lens Mount
Fujifilm X-mount, Sony E-mount
Fujifilm X-mount
Fujifilm X-mount, Sony E-mount
Material
Metal
Motor
Stepper motor
Linear Motor
Stepper motor
Optical Formula | Elements
16 elements
23 elements
16 elements
Optical Formula | Groups
12 groups
16 groups
12 groups
Optical Formula | Special Glass
Two GM (Glass Molded Aspherical) elements and one hybrid aspherical lens element. groups
5 ED and 1 Super ED elements groups
Two GM (Glass Molded Aspherical) elements and one hybrid aspherical lens element. groups
Dimensions
Filter Diameter
67 mm / 2.64 in
72 mm / 2.83 in
67 mm / 2.64 in
Size | Diameter
75 mm / 2.95 in
83 mm / 3.27 in
75 mm / 2.95 in
Size | Length
120 mm / 4.72 in
176 mm / 6.93 in
120 mm / 4.72 in
Weight
530 g / 18.73 oz
995 g / 35.16 oz
530 g / 18.73 oz
Function
Angle Of View
80.7° Diagonal | 70.4° Horizontal | 50.4° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (wide) ~ 11.8° Diagonal | 9.8° Horizontal | 6.5° Vertical (tele)
80.7° Diagonal | 70.4° Horizontal | 50.4° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
Aperture
f/2.8
f/2.8 ~ f/22
f/2.8
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
17 mm ~ 70 mm
50 mm ~ 140 mm
17 mm ~ 70 mm
Focal Length (35mm Equivalent)
25.5 mm ~ 105.0 mm
75.0 mm ~ 210.0 mm
25.5 mm ~ 105.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
Yes
Yes
Yes
Weather Resistance
Yes
Yes
Yes
Zoom Type
External zoom
External zoom
External zoom
Performance
Max Magnification
0.12x
Min Focus Distance
200 mm / 7.87 in
1000 mm / 39.37 in
200 mm / 7.87 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2022-06-16
2014-09-10
2022-06-16
Reviews
Neofiliac score
59%
62%
59%
Pros
- Optically stabilized
- Weather-sealed
- Decent build quality
- Superb image quality
- Optically stabilized
- Weather-sealed
- Comes with physical aperture ring
- Comes with a tripod collar
- Optically stabilized
- Weather-sealed
- Decent build quality
Cons
- Not the highest grade of image quality
- Long barrel
- On the heavy side
- External zoom without zoom lock
- Not the highest grade of image quality
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